(a) sin 31 + cos 3d; u = 1 + cos 3(b) ex1 + ex dx; u = 1 + ex

Chapter 5, Problem 10

(choose chapter or problem)

Evaluate the integrals using the indicated substitutions.

(a) $\int \frac{\sin 3 \theta}{1+\cos 3 \theta} d \theta ; u=1+\cos 3 \theta$

(b) $\int \frac{e^{x}}{1+e^{x}} d x ; u=1+e^{x}$

Equation Transcription:

∫ $\frac{sin\ 3\theta{}}{1+cos\ 3\theta{}}d\theta{};u=1+cos\ 3\theta{}$

∫ $\frac{{e}^{x}}{1+{e}^{x}}dx;u=1+{e}^{x}$

Text Transcription:

integral sin 3 theta/1+cos 3 theta d theta; u=1+cos 3 theta

integral e^x /1+e^x dx; u=1+e^x

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